目前，野生虎的数目已不足4，000，保护老虎的任务迫在眉睫。
With fewer than 4,000 of the big cats still left in the wild, the case of protecting them is urgent.
这个消息实质上就是说全球未分配的地址空间已不足10%，或者说只剩大约4亿个地址。
The news is essentially that of the address space, less than 10% remain in the global unallocated pool, or around 400 million addresses.
按照目前的能源储量和开发强度测算，世界化石能源平均可开发时间已不足百年。
According to the energy reserves and development intensity calculation, the world fossil energy on average less than one hundred years development time already.
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